Vulcanian activity is ongoing and remains almost constant at Reventador. The IG (Geological Institute of Ecuador) reports that between 28/02 – 4/03, despite cloud cover making observation onerous, four ash emissions were recorded, reaching 688 m – 800 m above the crater and leaning northwards. Ballistics, fragments of lava and rock ejected during an explosion were observed landing 500 m down the volcano’s flanks. Lava flows were not observed.
In the absence of constant obervation, seismic data gives additional insight into the ongoing acivity. During the reported period, 125 seismic events were recorded as a result of explsions and 112 by long-period earthquakes (produced by the movement of magmatic material).
The volcano remains in orange alert, the second highest level of a four-colour scale.